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82 lines
2.2 KiB
82 lines
2.2 KiB
4 weeks ago
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/*
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Language: SML (Standard ML)
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Author: Edwin Dalorzo <edwin@dalorzo.org>
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Description: SML language definition.
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Website: https://www.smlnj.org
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Origin: ocaml.js
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Category: functional
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*/
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function sml(hljs) {
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return {
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name: 'SML (Standard ML)',
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aliases: [ 'ml' ],
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keywords: {
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$pattern: '[a-z_]\\w*!?',
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keyword:
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/* according to Definition of Standard ML 97 */
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'abstype and andalso as case datatype do else end eqtype ' +
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'exception fn fun functor handle if in include infix infixr ' +
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'let local nonfix of op open orelse raise rec sharing sig ' +
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'signature struct structure then type val with withtype where while',
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built_in:
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/* built-in types according to basis library */
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'array bool char exn int list option order real ref string substring vector unit word',
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literal:
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'true false NONE SOME LESS EQUAL GREATER nil'
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},
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illegal: /\/\/|>>/,
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contains: [
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{
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className: 'literal',
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begin: /\[(\|\|)?\]|\(\)/,
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relevance: 0
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},
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hljs.COMMENT(
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'\\(\\*',
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'\\*\\)',
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{
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contains: [ 'self' ]
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}
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),
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{ /* type variable */
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className: 'symbol',
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begin: '\'[A-Za-z_](?!\')[\\w\']*'
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/* the grammar is ambiguous on how 'a'b should be interpreted but not the compiler */
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},
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{ /* polymorphic variant */
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className: 'type',
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begin: '`[A-Z][\\w\']*'
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},
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{ /* module or constructor */
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className: 'type',
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begin: '\\b[A-Z][\\w\']*',
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relevance: 0
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},
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{ /* don't color identifiers, but safely catch all identifiers with ' */
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begin: '[a-z_]\\w*\'[\\w\']*'
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},
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hljs.inherit(hljs.APOS_STRING_MODE, {
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className: 'string',
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relevance: 0
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}),
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hljs.inherit(hljs.QUOTE_STRING_MODE, {
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illegal: null
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}),
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{
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className: 'number',
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begin:
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'\\b(0[xX][a-fA-F0-9_]+[Lln]?|' +
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'0[oO][0-7_]+[Lln]?|' +
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'0[bB][01_]+[Lln]?|' +
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'[0-9][0-9_]*([Lln]|(\\.[0-9_]*)?([eE][-+]?[0-9_]+)?)?)',
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relevance: 0
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},
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{
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begin: /[-=]>/ // relevance booster
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}
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]
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};
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}
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module.exports = sml;
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